Modern televisions are no longer just devices for watching broadcast channels, but rather a fully-fledged multimedia center capable of playing high-quality content from any device. Smartphone owners often wonder how to play music on their TV via Wi-Fi from their phone, allowing them to enjoy their favorite tracks on powerful speakers rather than through the tiny speaker of their mobile device. This process significantly simplifies access to their media library and allows them to transform a simple party or family dinner into a full-fledged audio experience.
There are many ways to stream audio, depending on your smartphone's operating system and Smart TV model. Wireless technologies Today, flexible solutions are available, ranging from the standard DLNA protocol to proprietary systems like AirPlay or Miracast. Understanding how each method works will allow you to choose the most stable and high-quality option for your specific device setup, ensuring clear, lag-free sound.
In this article, we'll detail all available connection methods, cover the necessary router and TV settings, and answer frequently asked questions about syncing devices. You'll learn how to avoid common mistakes and why your phone sometimes doesn't detect your TV despite being connected to the same network. Get ready to transform your Smart TV to the center of your home audio system.
Equipment preparation and basic requirements
Before setting up streaming, you need to ensure all components of your home network are ready to use. A fundamental requirement is a working Wi-Fi network connected to both devices: your smartphone and TV. If your router broadcasts a 5 GHz signal, this can significantly improve data transfer stability, especially for high-definition video streaming, although the standard 2.4 GHz band is also suitable for music.
It's important to check that the wireless module is enabled on both devices. On a TV, this is usually done through the menu. Settings → Network → Network Connection, where the active connection indicator should be lit. The smartphone must also be connected to the same access point; using mobile internet (3G/4G/5G) on the phone while the TV is connected via Wi-Fi will make streaming impossible, as the devices will be on different local networks.
⚠️ Note: Some routers have a "Guest Network" or AP Isolation feature. If this feature is enabled, devices connected to the Wi-Fi network will not see each other, even if they are on the same network. Make sure both devices are connected to the main network.
It's also worth updating your TV's software to the latest version. Manufacturers regularly release patches that improve compatibility with new versions of Android and iOS. Firmware updates often resolve issues with sudden connection drops or lack of support for certain audio codecs. You can check for updates in the section Support → Software Update.
Using built-in Smart TV features (Screen Mirroring)
The fastest way to output audio is to use screen mirroring technology, known as Screen Mirroring, Smart View, or Casting. In this case, the TV simply displays what's happening on your phone's screen, transmitting both the video stream and the audio signal. On Android devices, this feature is often built into the notification shade, while on iPhones, the "Screen Mirroring" feature is used in Control Center.
To start the process, open the quick settings menu on your smartphone and find the button with the name corresponding to your TV brand (for example, Samsung Smart View, LG TV Plus (or simply "Cast"). Your phone will begin searching for available devices on the Wi-Fi network. Once your TV appears in the list, select it. A connection permission prompt may appear on the TV screen, which you'll need to confirm with the remote.
☑️ Pre-broadcast check
It's important to keep in mind that when using screen mirroring, your phone shouldn't be locked, otherwise playback may be interrupted. Furthermore, this method uses more battery power, as the processor is actively encoding the video stream. If you're only looking for music, this method may not be the most energy-efficient, but it guarantees compatibility with virtually any modern Smart TV.
Broadcasting via DLNA and UPnP protocols
Protocol DLNA (Digital Living Network Alliance) is one of the most reliable ways to transfer media files over a local network. Unlike screen mirroring, the phone acts as a controller, telling the TV which file from its memory or the cloud to play. The TV decodes the file itself, reducing the load on the smartphone and even allowing you to turn off the phone's screen without interrupting the music.
To implement this method, a player application with DLNA support must be installed on the smartphone, for example, VLC for Mobile, BubbleUPnP or a standard player Google PhotosAfter opening the desired track or music folder in the app, click the "Stream" button (usually a rectangle with Wi-Fi waves in the corner) and select your TV from the list of devices.
| Parameter | Description | Impact on quality |
|---|---|---|
| File bitrate | Data per second | High bitrate requires stable Wi-Fi |
| Audio codec | Compression format (MP3, FLAC, AAC) | TV must support the codec for native playback |
| Router power | Data transfer rate | Affects buffering of heavy files |
The advantage of DLNA is that audio quality isn't recompressed, as with screen mirroring. However, not all file formats are supported by the TV's built-in player. If the file doesn't play, try using a third-party player on your smartphone that can stream and convert it on the fly, or convert the music to the more common MP3 or AAC format.
Why does music cut out when streaming via DLNA?
A common cause is slow Wi-Fi speed or interference. Try moving the router closer to the TV or switching the router's frequency to 5 GHz if both devices support this standard.
Features of connecting Apple devices (AirPlay)
Equipment owners Apple have access to AirPlay 2 technology, which allows you to stream audio and video with minimal latency and high quality. Many modern TVs from Samsung, LG, Sony, and other brands have built-in AirPlay support, eliminating the need for an Apple TV set-top box. To check compatibility, go to your TV's settings and find "Apple AirPlay."
The connection process is extremely simple: open Control Center on your iPhone or iPad, tap Screen Mirroring, or select the AirPlay icon in the Music app. Your TV should appear in the list of devices. When you first connect, a pairing code may appear on the TV screen. Enter it on your smartphone to pair it. After that, the devices will connect automatically whenever they're on the same network.
A unique feature of AirPlay is its ability to create a multi-room system. You can stream music simultaneously to multiple compatible TVs or smart speakers, creating a unified audio system throughout your home. Playback controls remain on your phone, allowing you to adjust the volume and select tracks remotely.
⚠️ Please note: AirPlay 2 technology requires a router with IPv6 support for some features, such as Siri and multi-room audio, to function properly. If this feature isn't working, check your DHCP and IPv6 settings in your router's interface.
Streaming via Google Cast (Chromecast built-in)
Ecosystem Google offers Chromecast built-in technology, which is built into many Android TVs, as well as models from Sony, Philips, Xiaomi, and other manufacturers. This method differs from simple screen mirroring in that the phone only sends the TV a link to the content, and the TV automatically downloads and plays the stream from the internet. This frees up the smartphone for other tasks.
To play music, open an app that supports streaming (e.g. YouTube Music, Spotify, Google Play Music). Find the Chromecast icon (a rectangle with waves) in the corner of the app interface. Click it and select your TV. It's important that your phone apps and TV firmware are updated to the latest versions.
The main advantage of Google Cast is the ability to control playback from multiple devices. You can start listening to music on your phone, then switch the output to your TV, and later, pick up your tablet and continue controlling the track. Furthermore, this method consumes minimal power from your smartphone, as it doesn't encode the video stream.
Using specialized applications and services
In addition to system methods, there are third-party applications that expand connectivity options. For example, the application SmartThings from Samsung allows you to control your TV and stream content even from non-Samsung devices. Similarly, the app LG TV Plus Provides advanced functionality for LG TV owners, including photo and music transfer.
For users whose TVs don't support Smart features, there are adapters that plug into the HDMI port, such as Chromecast, Amazon Fire TV Stick, or Mi TV Stick. These devices add Smart TV capabilities to the TV, allowing you to stream music and video over Wi-Fi just like built-in systems. They often perform more reliably than the built-in modules found on older TVs.
It's also worth mentioning streaming services that have their own apps for Smart TVs. After installing Spotify, Yandex Music or Apple Music To play music directly on your TV, you can use Spotify Connect or similar features. In this case, your phone only serves as a remote control: you select a track on your phone, and it starts playing on your TV using its internet connection.
When using third-party apps, pay attention to the permissions they request. They require access to your local network to function properly. In modern versions of iOS and Android, the first time you launch the app, you may see a prompt asking "Allow searching for devices on the local network?"
Troubleshooting and connection diagnostics
Despite the simplicity of the technology, users often encounter a situation where their phone can't detect their TV. The first step in troubleshooting should always be checking the network. Make sure both devices are connected to the same SSID (network name). Sometimes routers create two networks with the same name for 2.4 and 5 GHz frequencies, and if one device is on one frequency and the other on the other, they may not see each other due to isolation settings.
The second common cause is antivirus software or firewalls on the router blocking the local connection. Try temporarily disabling the protection or adding devices to the trusted list. Restarting the router also helps: unplug it from the power outlet for 10-15 seconds, then plug it back in and wait until all the indicators load completely.
⚠️ Note: If you use a VPN on your smartphone, your local network may become unavailable to other devices, as all traffic goes through a remote server. Disable the VPN before attempting to connect to your TV.
If the problem persists, try statically assigning IP addresses for your TV and phone in your router settings or the devices themselves. This will prevent addressing conflicts, where the router gets confused about which device to assign which IP address to. As a last resort, reset your TV's network settings to factory defaults and set up the connection again.
Frequently Asked Questions (FAQ)
Why do I hear interference or stuttering when streaming music over Wi-Fi?
This could be caused by a weak Wi-Fi signal where the TV is located, channel congestion from nearby routers, or low internet speeds if you're streaming online. Try moving the router closer or switching to a 5 GHz frequency.
Is it possible to stream audio if the phone screen is off?
Yes, when using DLNA, AirPlay, and Google Cast protocols, audio will continue to play even when the phone's screen is locked. When using Screen Mirroring, audio may be interrupted if the smartphone system decides to stop data transfer to save power.
Does streaming music affect sound quality?
When using digital transmission methods (AirPlay, DLNA, Chromecast), the audio is transmitted digitally without any loss of quality until it's decoded by the TV. The quality will depend on the DAC (digital-to-analog converter) of the TV or the connected audio system, not the phone.
How to reduce audio latency when watching videos from your phone on TV?
Latency is typical for wireless technologies. For video, this is often compensated for by buffering. For real-time gaming or music playback, it's better to use a wired connection or special low-lag modes on gaming TVs if they support Bluetooth audio with the aptX Low Latency codec. However, Wi-Fi will always have higher latency than a cable connection.